Doctor profile · Federal record

Dr. Won Ki Chae, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Los Angeles, CA

  • NPI 1376789701
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1225 Wilshire Blvd
Los Angeles, CA 900171901
(213) 977-2121
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
February 20, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A106398

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376789701. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
532
Distinct HCPCS
4
Medicare allowed
$58,270
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 212 194 $9
99285 Emergency department visit with high level of medical decision making 180 173 $182
99284 Emergency department visit with moderate level of medical decision making 78 74 $126
99291 Critical care, first 30-74 minutes 62 61 $224

In context: peer comparison

Among 185 peers in Los Angeles Emergency Medicine Physician, average services per provider: 87. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
102
Total drug cost
$898
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 25 25 $86
Ibuprofen Generic 23 23 $101
Prednisone Generic 16 16 $62
Ondansetron Odt (Ondansetron) Brand 15 15 $117
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 12 $446
Cephalexin Generic 11 11 $86

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Won Ki Chae's medical specialty?
Dr. Won Ki Chae practices Emergency Medicine Physician in Los Angeles, CA.
Where does Dr. Won Ki Chae practice?
Dr. Won Ki Chae practices at 1225 Wilshire Blvd, Los Angeles, CA 900171901. Office phone: 2139772121.
What is Dr. Won Ki Chae's NPI?
Dr. Won Ki Chae's National Provider Identifier (NPI) is 1376789701, issued by NPPES.
Does Dr. Won Ki Chae accept Medicare assignment?
Yes. Dr. Won Ki Chae accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Won Ki Chae commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.